cd dir | change current directory to dir |
cd .. | change current directory to the parent directory |
cd | change current directory to home directory |
pwd | print working (current) directory |
ls | list the files and subdirectories in the current directory |
ls -l | ... and some information about the files |
cat | print a file to the standard output |
head | `print' the first 10 lines of a file |
head -n | `print' the first n lines of a file |
tail | `print' the last 10 lines of a file |
tail -n | `print' the last n lines of a file |
tail +n | `print' a file starting from line n |
more, less | `print' a file one screenful at a time |
cp pathname1 pathname2 | copy the file in pathname1 to pathname2. |
mv pathname1 pathname2 | move the file in pathname1 to pathname2. |
rm pathname | remove the file in pathname |
command1 | command2 | use the output of command1 as input to command2 |
command > file | write the output of command to file (new file) |
| command >> file | append the output of command to file |
| command < file | take the information in file as input to command |
history | `print' the commands you've given the system |
!string | rerun the last command starting with string |
 | previous command in the history list |
 | next command in the history list |
